Clint Dempsey is the talismanic figure up front for America and has scored twice in the tournament so far. The Seattle Sounders man isn't usually a striker but has played on his own under Klinsmann in the absence of more attackers.

American supporters should watch out for Eden Hazard for Belgium. The forward lit up the Premier League at Chelsea over the last year and poses a serious threat with his direct dribbling and intelligence on the ball.

The USA central midfield pairing of Michael Bradley and Jermaine Jones have Bundesliga experience in Germany and work hard, while Tim Howard has been one of the most consistent goalkeepers in Europe over the last five years.

Captured the imagination: America supporters in Detroit flocked to a fan park to watch the Germany defeat

Strike! Jermaine Jones celebrates after netting against Portugal drawing the 2-2 draw in Group G

The managers

Klinsmann and Belgium boss Marc Wilmots are two of the best players of their generation. Wilmots was a central midfielder and capped by the European side on 70 occasions, while the America boss played for Germany 80 times, scoring an impressive 38 goals.

How did Belgium get here?

Wilmots guided his team to three wins out of three in Group H - even though they weren't at their best.

The Belgians have a host of talent who play in the English Premier League, including Romelu Lukaku (Chelsea), Jan Vertonghen (Tottenham) and Vincent Kompany (Manchester City).

The only time Belgium have lost competitively to USA was in the 1930 World Cup, when they went down 3-0.

They last met in May 2013, which ended in a 3-2 defeat for America. Everton's Kevin Mirallas and Fellaini scored as well as a brace from Christian Benteke. Geoff Cameron and Dempsey found the net for America.

The American WAGs

Dempsey's wife Bethany has a masters degree and is an educational psychologist - as well as posing for a Sports Illustrated shoot in 2011. Bradley has been married to Amanda Barletta for three years, while Matt Bresler posts pictures of himself and wifeAmanda on his instagram account.

Belgium skipper Kompany also got wed in 2011 to wife Carla, while creative midfielder Axel Witsel is said to be engaged to Szabo Rafaella.

WAG: Bethany Dempsey pictured at the Sports Illustrated Swimsuit 24/7 three years ago

All smiles: Amanda Miller Besler with her husband Matt at the University of Kansus back in November